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Bi-Convex Lens

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          Biconvex lenses are manufactured with an identical convex surface on both sides of the lens it has positive focal lengths and form both real and virtual images. Aberrations such as coma distortion and chromatic aberration almost exactly cancel out at unit conjugate ratios due to the symmetry. Aberrations will increase as conjugate ratios depart from unity.

Specifications:

Material:

BK7 or UV fused silica etc.

Focal Length Tolerance:

±1% @589nm

Design Wavelength:

589nm

Centration:

≤3′

Diameter Tolerance:

+0/-0.1mm

Clear Aperture:

>central 90%  of  diameter

Center Thickness  Tolerance:

±0.1mm

Edge Thickness:

3.0mm,nominal

Surface Quality:

20/10(UVFS)/ 40/20(BK7)

Surface Accuracy:

≤ 1.5λ power,λ/2 irregularity(UVFS)

≤ 1.5λ power,λ/4 irregularity(BK7)

Chamfers:

0-0.8mm face width×45°±15°

Notes:

1. Material, besides BK7, fused silica and any other   materials are available.

2. Surface Quality could reach 40-20 or 20-10

3. Centration such   as 1’, 30” is available.

   4. Please show us the size and the coating specification.

Part No.

DIA(mm)

F(mm)

Tc(mm)

MARERIALS

INF-DCX-06-10

6.0

10.0

2.4

BK7

INF-DCX-06-12

6.0

12.0

2.3

BK7

INF-DCX-06-15

6.0

15.0

2.1

BK7

INF-DCX-06-30

6.0

30.0

1.8

BK7

INF-DCX-09-12

9.0

12.0

3.6

BK7

INF-DCX-09-20

9.0

20.0

2.8

BK7

INF-DCX-12-15

12.7

15.0

4.7

BK7

INF-DCX-12-20

12.7

20.0

3.9

BK7

INF-DCX-12-25

12.7

25.0

3.4

BK7

INF-DCX-12-30

12.7

30.0

3.1

BK7

INF-DCX-12-40

12.7

40.0

2.8

BK7

INF-DCX-12-50

12.7

50.0

2.6

BK7

INF-DCX-12-100

12.7

100.0

2.2

BK7

INF-DCX-25-25

25.4

25.4

9.0

BK7

INF-DCX-25-30

25.4

30.0

7.7

BK7

INF-DCX-25-35

25.4

35.0

6.8

BK7

INF-DCX-25-40

25.4

40.0

6.1

BK7

INF-DCX-25-50

25.4

50.0

5.2

BK7

INF-DCX-25-60

25.4

60.0

4.7

BK7

INF-DCX-25-75

25.4

75.0

4.1

BK7

INF-DCX-25-100

25.4

100.0

3.6

BK7

INF-DCX-25-125

25.4

125.0

3.3

BK7

INF-DCX-25-150

25.4

150.0

3.1

BK7

INF-DCX-25-175

25.4

175.0

2.9

BK7

INF-DCX-25-200

25.4

200.0

2.8

BK7

INF-DCX-25-250

25.4

250.0

2.6

BK7

INF-DCX-25-300

25.4

300.0

2.5

BK7

INF-DCX-25-400

25.4

400.0

2.4

BK7

INF-DCX-25-500

25.4

500.0

2.3

BK7

INF-DCX-25-750

25.4

750.0

2.2

BK7

INF-DCX-25-1000

25.4

1000.0

2.2

BK7

INF-DCX-50-60

50.8

60.0

14.4

BK7

INF-DCX-50-75

50.8

75.0

11.8

BK7

INF-DCX-50-100

50.8

100.0

9.5

BK7

INF-DCX-50-125

50.8

125.0

8.1

BK7

INF-DCX-50-150

50.8

150.0

7.2

BK7

INF-DCX-50-175

50.8

175.0

6.6

BK7

INF-DCX-50-200

50.8

200.0

6.2

BK7

INF-DCX-50-250

50.8

250.0

5.5

BK7

INF-DCX-50-300

50.8

300.0

5.1

BK7

INF-DCX-50-400

50.8

400.0

4.6

BK7

INF-DCX-50-500

50.8

500.0

4.3

BK7

INF-DCX-50-750

50.8

750.0

3.8

BK7

INF-DCX-50-1000

50.8

1000.0

3.6

BK7

Custom designs for other sizes and coatings are also available upon request.


Contact us
Tel: +86-(0)591 38206293
Fax: +86-(0)591 38206293
ADD: NO.30,WULONGJIANG AVENUE,HI-TECH ZONES,FUZHOU350109,P.R.CHINA
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